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/*
* USB xHCI controller for system-bus interface
* Based on hcd-echi-sysbus.c
* SPDX-FileCopyrightText: 2020 Xilinx
* SPDX-FileContributor: Author: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "trace.h"
#include "qapi/error.h"
#include "hcd-xhci-sysbus.h"
#include "hw/acpi/aml-build.h"
#include "hw/irq.h"
static void xhci_sysbus_intr_raise(XHCIState *xhci, int n, bool level)
{
XHCISysbusState *s = container_of(xhci, XHCISysbusState, xhci);
qemu_set_irq(s->irq[n], level);
}
void xhci_sysbus_reset(DeviceState *dev)
{
XHCISysbusState *s = XHCI_SYSBUS(dev);
device_legacy_reset(DEVICE(&s->xhci));
}
static void xhci_sysbus_realize(DeviceState *dev, Error **errp)
{
XHCISysbusState *s = XHCI_SYSBUS(dev);
object_property_set_link(OBJECT(&s->xhci), "host", OBJECT(s), NULL);
if (!qdev_realize(DEVICE(&s->xhci), NULL, errp)) {
return;
}
s->irq = g_new0(qemu_irq, s->xhci.numintrs);
qdev_init_gpio_out_named(dev, s->irq, SYSBUS_DEVICE_GPIO_IRQ,
s->xhci.numintrs);
if (s->xhci.dma_mr) {
s->xhci.as = g_malloc0(sizeof(AddressSpace));
address_space_init(s->xhci.as, s->xhci.dma_mr, NULL);
} else {
s->xhci.as = &address_space_memory;
}
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->xhci.mem);
}
static void xhci_sysbus_instance_init(Object *obj)
{
XHCISysbusState *s = XHCI_SYSBUS(obj);
object_initialize_child(obj, "xhci-core", &s->xhci, TYPE_XHCI);
qdev_alias_all_properties(DEVICE(&s->xhci), obj);
object_property_add_link(obj, "dma", TYPE_MEMORY_REGION,
(Object **)&s->xhci.dma_mr,
qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_STRONG);
s->xhci.intr_update = NULL;
s->xhci.intr_raise = xhci_sysbus_intr_raise;
}
void xhci_sysbus_build_aml(Aml *scope, uint32_t mmio, unsigned int irq)
{
Aml *dev = aml_device("XHCI");
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(mmio, XHCI_LEN_REGS, AML_READ_WRITE));
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irq, 1));
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0D10")));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
}
static Property xhci_sysbus_props[] = {
DEFINE_PROP_UINT32("intrs", XHCISysbusState, xhci.numintrs, XHCI_MAXINTRS),
DEFINE_PROP_UINT32("slots", XHCISysbusState, xhci.numslots, XHCI_MAXSLOTS),
DEFINE_PROP_END_OF_LIST(),
};
static const VMStateDescription vmstate_xhci_sysbus = {
.name = "xhci-sysbus",
.version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_STRUCT(xhci, XHCISysbusState, 1, vmstate_xhci, XHCIState),
VMSTATE_END_OF_LIST()
}
};
static void xhci_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->reset = xhci_sysbus_reset;
dc->realize = xhci_sysbus_realize;
dc->vmsd = &vmstate_xhci_sysbus;
device_class_set_props(dc, xhci_sysbus_props);
}
static const TypeInfo xhci_sysbus_info = {
.name = TYPE_XHCI_SYSBUS,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(XHCISysbusState),
.class_init = xhci_sysbus_class_init,
.instance_init = xhci_sysbus_instance_init
};
static void xhci_sysbus_register_types(void)
{
type_register_static(&xhci_sysbus_info);
}
type_init(xhci_sysbus_register_types);
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